Tractor towing hitch



FIG. 1 is a perspective view of a tractor towing hitch showing my newdesign;

FIG. 2 is an end elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a front elevational view; and

FIG. 5 is a rear elevational view thereof.

The ornamental design for a tractor towing hitch, substantially asshown.